Definition of cossie in English:

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Pronunciation: /ˈkɒzi/

Entry from British & World English dictionary

(also cozzie)

noun (plural cossies)

A swimming costume or a pair of swimming trunks.
Example sentences
  • Now of course when it comes to pulling on our togs, cozzies, bathers or trunks and swimming competitively, Australians never seem to be too far from the medals.
  • I could see beachgoers in their swimming cossies.
  • On Tuesday, she shopped for a swimming cossie at the store.


Early 20th century: alteration of the first element of costume.

Words that rhyme with cossie

Aussie, mossie
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